CN206503079U - A kind of packaged type bridges substructure - Google Patents
A kind of packaged type bridges substructure Download PDFInfo
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- CN206503079U CN206503079U CN201720103950.6U CN201720103950U CN206503079U CN 206503079 U CN206503079 U CN 206503079U CN 201720103950 U CN201720103950 U CN 201720103950U CN 206503079 U CN206503079 U CN 206503079U
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- cushion cap
- packaged type
- prefabricated
- substructure
- prefabricated cushion
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Abstract
The utility model provides a kind of packaged type bridges substructure, belongs to field of bridge construction, there are problems that such as low construction efficiency, cost big to nearby residents and ambient influnence for solving traditional cast-in-situ bridge substructure.Prefabricated cushion cap uses prefabrication, on the one hand, can both reduce work on the spot amount, mitigates the labor intensity of field worker, it is ensured that the safety work of workmen, also reduces the negative effect to nearby residents harmful effect element and to surrounding traffic；On the other hand, due to being that factory makes, convenient management can use mechanized construction, component quality is good, it is advantageously ensured that the quality and dimensional accuracy of component, it is to avoid the accident or hidden danger of quality and secure context caused by field condition such as limits at the unfavorable factor.In a word, a kind of packaged type bridges substructure that the utility model is provided can reduce work on the spot amount, improve operating efficiency and quality, more conform to being free from risk of Modern Construction, high efficiency, the requirement of low cost.
Description
Technical field
The utility model is related to field of bridge construction, more particularly to a kind of packaged type bridges substructure.
Background technology
With the rapid development in city, people's trip is also more and more diversified and convenient, various uses, various forms of
Bridge also arises at the historic moment.In bridge force-bearing structural system, bridge substructure is mainly by the (bag of external loads suffered by bridge
Include vertical force, horizontal force and moment of flexure) and on the basis of bridge superstructure deadweight is delivered to, so bridge substructure bearing capacity
Size and each main performance index of bridge are closely bound up, and the quality of its construction quality, the speed of speed of application are also directly concerned
To quality, the construction speed of the even whole construction quality of whole bridge.
At present, the cushion cap in bridge substructure is generally constructed by the way of cast-in-site, that is, completes pile foundation
After construction, first on pile foundation assembling reinforcement, set up cushion cap template, then by code requirement cast-in-place concrete and mixed
Solidifying soil maintenance, last form removal.Constructed by above-mentioned traditional handicraft, a construction period generally requires 1 to 2 weeks, influence
The construction speed of whole engineering；Simultaneously as live placing of material is more (such as reinforcing bar, template), and cast-in-site workload is big etc.
Reason, there is such as high on the site requirements and field management requirement, life on nearby residents and trip border influences greatly, to surrounding
The shortcomings of ambient influnence is big.
In summary, existing traditional cast-in-situ bridge substructure and construction method can not increasingly meet modernization
The high efficiency of bridge construction, low cost, the requirement of low-risk, in order to which the construction quality and construction that improve bridge substructure are imitated
Rate, to surrounding resident, the influence of environment and cost during reduction construction, therefore researches and develops a kind of packaged type bridges substructure and its applies
Work method has become those skilled in the art's technical barrier in the urgent need to address.
The content of the invention
The purpose of this utility model is to provide a kind of packaged type bridges substructure, for solving traditional cast-in-situ bridge
There is such as low construction efficiency, cost big to nearby residents and ambient influnence in substructure.Prefabricated cushion cap uses work
Factory is prefabricated, on the one hand, can both reduce work on the spot amount, mitigates the labor intensity of field worker, it is ensured that the peace of workmen
Nearby residents and environment are produced the influence such as noise, dust, light, sewage element and to week by full operation when can also reduce construction
Enclose the negative effect of traffic；On the other hand, due to being factory's centralized production making, it is easy to management, mechanized construction, structure can be used
Part quality is good, it is advantageously ensured that the quality and dimensional accuracy of component, it is to avoid caused by the unfavorable factors such as field condition limitation
The accident or hidden danger of quality and secure context.Sum it up, a kind of packaged type bridges substructure that the utility model is provided
Can reduce cast in situs workload, improve operating efficiency and bridge quality, more conform to modernize being free from risk of bridge construction,
The requirement of high efficiency, low cost.
In order to solve the above technical problems, the utility model provides following technical scheme：
A kind of packaged type bridges substructure, including pile foundation, prefabricated cushion cap and the column set from below to up, in addition to
The stirrup on the top of the pile foundation is set in, the stirrup is located at below the prefabricated cushion cap, the prefabricated cushion cap and the stake
Base connects for part sleeve type, and the prefabricated cushion cap uses prefabrication, the stake of the correspondence pile foundation on the prefabricated cushion cap
Push up position and reserve grooved hole, the position preburied column connection measure of the correspondence column, the slotted eye on the prefabricated cushion cap
Aperture be slightly larger than the pile foundation diameter, the upper end of the pile foundation extend into the slotted eye, divided into the prefabricated cushion cap
One layer of certain thickness plain concrete bed course is put, the plain concrete bed course top surface is flushed with the stirrup top, it is cast-in-place in the slotted eye to mend
Repay shrinkage concrete.
Optionally, the stirrup includes steel cylinder and two bracing members set along the cylinder diameter, the bracing members bag
Include one piece of horizontally disposed rectangular-shaped top plate and two pieces of vertically arranged trapezoidal faggings, the short side of the rectangular-shaped top plate and described trapezoidal
One waist edge of fagging is welded to connect with the steel cylinder respectively, and another waist edge of the trapezoidal fagging is welded with the rectangular-shaped top plate to be connected
Connect.
Optionally, in addition to rubber cushion blocks, the rubber cushion blocks be arranged on the rectangular-shaped top plate and the prefabricated cushion cap it
Between.
Optionally, the injected hole of several up/down perforations is provided with the prefabricated cushion cap, in the prefabricated cushion cap and institute
State the cast-in-place grouting concrete layer in gap between plain concrete bed course.
It is preferred that, the hole wall of the slotted eye is teeth groove shape.
It is preferred that, the hole wall of the slotted eye is corrugated.
Compared with the prior art, a kind of packaged type bridges substructure that the utility model is provided, with following beneficial skill
Art effect：
Operating efficiency is substantially increased, it is existing that a kind of packaged type bridges substructure that the utility model is provided changes tradition
The girder construction of building of formula is poured, job site is completed without a large amount of templates, a large amount of field cast-in-place quantities by backstage factory, scene
Assembly is only needed, thus is substantially shorter the live duration, reduces construction site；The process that template is set up at the scene of eliminating, overall warp
Ji property is good.
Bridge construction cost is effectively reduced, prefabricated cushion cap is completed in backstage prefabrication, can greatly reduced and scene
The measure such as related formwork, form removal workload and its back work amount are poured, the labor intensity of field worker is alleviated, can be significantly
Associated materials are saved to take and labour cost, meanwhile, work on the spot amount is reduced, and can greatly shorten the live duration, can effectively save bridge
The time cost that beam is built.
Bridge construction quality is effectively reduced, prefabricated cushion cap is completed in backstage prefabrication, due to being factory's centralized production
Make, its each side condition will be better than scene, convenient management can use mechanized construction, and the component quality of formation is good, favorably
In ensuring the quality and dimensional accuracy of component, it is to avoid construction error caused by the various unfavorable factors of site operation and quality lack
Fall into.
When being effectively reduced bridge construction noise, dust, light, sewage etc. to the harmful effect of the life of nearby residents and
Negative effect to periphery traffic so that bearing platform construction more convenience and high-efficiency environmental protection.
Brief description of the drawings
Fig. 1 is a kind of elevational view of packaged type bridges substructure of the embodiment of the utility model one；
Fig. 2 is Fig. 1 A-A sectional views；
Fig. 3 is Fig. 2 B-B sectional views；
Fig. 4 is the elevational view of the prefabricated cushion cap of the embodiment of the utility model one；
Fig. 5 is the top view of the prefabricated cushion cap of the embodiment of the utility model one；
Fig. 6 is sectional view of the prefabricated cushion cap in slotted eye position of the embodiment of the utility model one；
Fig. 7 is sectional view of the prefabricated cushion cap in slotted eye position of another embodiment of the utility model；
In figure：The plain concrete pad of 100- packaged type bridges substructure, 1- pile foundations, the prefabricated cushion caps of 2-, 3- columns, 4- stirrups, 5-
Layer, 6- expansive concretes, 7- bracing members, 8- rubber cushion blocks, 9- shearing are strong, 10- grouting concrete layer, 11- injected holes, 12- are stood
Post attachment structure, 13- slotted eyes, 14- rectangular-shaped top plates, 15- right-angled trapeziums fagging, 16- steel cylinders.
Embodiment
Below in conjunction with a kind of packaged type bridges substructure that the drawings and specific embodiments are provided the utility model make into
One step is described in detail.According to following description and claims, advantage and feature of the present utility model will become apparent from.Need
Bright, accompanying drawing is using very simplified form and using the ratio of non-precision, only conveniently, lucidly to aid in illustrating
The purpose of the utility model embodiment.
Referring to figs. 1 to Fig. 3, a kind of packaged type bridges substructure 100 of the embodiment of the utility model one, including from lower and
Pile foundation 1, prefabricated cushion cap 2 and the column 3 of upper setting, in addition to the stirrup 4 on the top of pile foundation 1 is set in, stirrup 4 is located at described
The prefabricated lower section of cushion cap 2, stirrup 4 is one columnar structured, and its internal diameter will be slightly larger than the external diameter of pile foundation 1, the specific internal diameter of stirrup 4
Should the steel pile casting internal diameter of pile foundation 1 as defined in specification set, ordinary circumstance should be greater than the diameter 200mm of pile foundation 1；The wall thickness of stirrup 4
The typically no less than wall thickness of the steel pile casting of pile foundation 1, the wall thickness of stirrup 4 is generally 20mm, depending on can also being needed according to design；Stirrup 4
Height with depending on designing needs, ordinary circumstance is 1m, or other sizes.To make stirrup 4 more preferably connect with the concrete of pile foundation 1
Connect, and can bear the shearing that prefabricated cushion cap 2 is transmitted above, the ring inner circle circumferential direction of stirrup 4 sets several shear connectors 9, size with
Depending on design needs, the size 50x50x20mm of ordinary circumstance shear connector 9, shear connector 9 can be welded in the inner side of stirrup 4 for steel bar intercept,
It is vertically arranged depending on the height that the number of plies should be to design needs and stirrup 4, ordinary circumstance is 4 layers.Prefabricated cushion cap 2 is portion with pile foundation 1
Divide sleeve type connection, i.e. the upper part of pile foundation 1 is deep into prefabricated cushion cap 2, has both facilitated prefabricated cushion cap 2 to position, be beneficial to increase again
Strong pile foundation 1 and the bonding strength of prefabricated cushion cap 2.
Prefabricated cushion cap 2 uses prefabrication, mechanization, production line balance can be used typically in factory, its is prefabricated to hold
The size and intensity of platform 2 will be better than cast-in-site, and all compare in terms of production efficiency and manufacturing cost cast-in-site
It is advantageous.
Grooved hole 13 is reserved in the stake top position of correspondence pile foundation 1 on prefabricated cushion cap 2, and the aperture of slotted eye 13 is slightly larger than pile foundation 1
Diameter, the upper end of pile foundation 1 extend into slotted eye 13, the position preburied column attachment structure of correspondence column 3 on prefabricated cushion cap 2
12, connected between bearing platform prefabrication 2 and column 3 by upright post connection structure 12, its specific connected mode can stretch using cushion cap is pre-buried
Go out a variety of methods such as reinforcing bar or embedded sleeve barrel, belong to technology general, ripe in the industry, so this patent is repeated no more.
In one layer of certain thickness plain concrete bed course 5 of prefabricated 2 times settings of cushion cap, strengthen the bearing capacity of region ground, prevent
Only ground occurs such as differential settlement and influences the connection of prefabricated cushion cap 2 and pile foundation 1, and the intensity of plain concrete bed course 5 is not less than C20,
The plain top surface of concrete bed course 5 is flushed with the top of stirrup 4；The cast-in-place expansive concrete 6 in slotted eye 13, cast-in-place expansive concrete 6
Intensity be at least above prefabricated 2 one strength grades of cushion cap；Mended because expansive concrete 6 has in hardening process is condensed
Contraction is repaid, can avoid normal concrete that the phenomenon of volume-diminished occurs when condensing hardening, ensure pile foundation 1 and prefabricated cushion cap
The reliability connected between 2 so that pile foundation 1 and prefabricated cushion cap 2 are into being integral.
With continued reference to Fig. 1 to Fig. 3, stirrup 4 includes steel cylinder 16 and is arranged at two bracing members 7 of the both sides of steel cylinder 16, two
Bracing members 7 are set along the diameter of steel cylinder 16, and bracing members 7 include one piece of horizontally disposed rectangular-shaped top plate 14 and two pieces vertically arranged straight
The trapezoidal fagging 15 in angle, the short side of rectangular-shaped top plate 14 and a right angle waist edge of right-angled trapezium fagging 15 are welded with steel cylinder 16 respectively to be connected
Connect, another right angle waist edge and the rectangular-shaped top plate 14 of right-angled trapezium fagging 15 are welded to connect.
With continued reference to Fig. 1 to Fig. 3, a kind of packaged type bridges substructure 100 of the embodiment of the utility model one, in addition to
Rubber cushion blocks 8, rubber cushion blocks 8 are arranged between rectangular-shaped top plate 14 and prefabricated cushion cap 2, the center of rubber cushion blocks 8 and the rectangle
The center of top plate 14 is corresponded to up and down, by selecting various sizes of rubber cushion blocks 8, is adjusted between prefabricated cushion cap 2 and bracing members 7
Gap, realization is accurately adjusted to the position of prefabricated cushion cap 2 and levelness, it is ensured that whole packaged type bridges substructure 100
Required precision.
Referring to figs. 1 to Fig. 5, the injected hole 11 of several up/down perforations, the number of injected hole 11 are provided with prefabricated cushion cap 2
Amount, size and its position can be depending on the sizes and grouting process, material according to prefabricated cushion cap 2；Held by injected hole 11 toward prefabricated
Gap injection grouting concrete layer 10 between platform 2 and plain concrete bed course 5, slurries should be paved with the prefabricated bottom of cushion cap 2 so that the prefabricated bottom of cushion cap 2
Portion is closely knit and has some strength.
With reference to Fig. 6, the hole wall of slotted eye 13 is teeth groove shape, general to use steel form pore-forming, and the vertical of teeth groove is distributed as bumps
Alternate, this design can increase the contact area of prefabricated cushion cap 2 and cast-in-place expansive concrete 6, reach that enhancing is prefabricated
The purpose of cushion cap 2 and the bonding strength of pile foundation 1.In the present embodiment, height of concave convex difference is 50mm, and the flat segment length of shaggy tooth is
200mm, concavo-convex transition position slope is to be more than at Pile Diameter 100mm, concave tooth groove to be more than Pile Diameter at 50mm, double wedge groove
200mm.Can also be other reasonable sizes.
With reference to Fig. 7, another embodiment of the utility model, the hole wall of slotted eye 13 is corrugated, is usually that internal diameter is more than into stake
The diameter 100mm of base 1 bellows is embedded in prefabricated cushion cap 2 in advance forms slotted eye 13.
In summary, the utility model provides a kind of packaged type bridges substructure 100, solves traditional cast-in-situ bridge
There is such as low construction efficiency, cost big to nearby residents and ambient influnence in substructure.Prefabricated cushion cap 2 is used
Prefabrication, on the one hand, can both reduce work on the spot amount, mitigates the labor intensity of field worker, it is ensured that workmen's
Nearby residents and environment are produced the influence such as noise, dust, light, sewage plain and right by safety work when can also reduce construction
The negative effect of surrounding traffic；On the other hand, due to being factory's centralized production making, it is easy to management, mechanized construction can be used,
Component quality is good, it is advantageously ensured that the quality and dimensional accuracy of component, it is to avoid caused by the unfavorable factors such as field condition limitation
Quality and secure context accident or hidden danger.Sum it up, a kind of packaged type bridges lower junction that the utility model is provided
Structure 100 can reduce cast in situs workload, improve operating efficiency and bridge quality, more conform to modernize the zero of bridge construction
Risk, high efficiency, the requirement of low cost.
Foregoing description is only the description to the utility model preferred embodiment, not to any limit of the utility model scope
Calmly, the those of ordinary skill in the utility model field does according to the disclosure above content any change, modification, belonging to right will
Seek the protection domain of book.
Claims (6)
1. a kind of packaged type bridges substructure, including pile foundation, prefabricated cushion cap and the column set from below to up, its feature exist
In, in addition to the stirrup on the top of the pile foundation is set in, the stirrup is located at below the prefabricated cushion cap, the prefabricated cushion cap
It is that part sleeve type is connected with the pile foundation, the prefabricated cushion cap uses prefabrication, and correspondence is described on the prefabricated cushion cap
Grooved hole is reserved in the stake top position of pile foundation, the position preburied column attachment structure of the correspondence column on the prefabricated cushion cap,
The aperture of the slotted eye is slightly larger than the diameter of the pile foundation, and the upper end of the pile foundation is extend into the slotted eye, described prefabricated
One layer of certain thickness plain concrete bed course is set under cushion cap, and the top surface of the plain concrete bed course is flushed with the stirrup top, in the groove
Cast-in-place expansive concrete in hole.
2. a kind of packaged type bridges substructure as claimed in claim 1, it is characterised in that the stirrup includes steel cylinder and setting
Two bracing members in the steel cylinder both sides, it is vertical parallel with two pieces that the bracing members include one piece of horizontally disposed rectangular-shaped top plate
The right angle waist of the right-angled trapezium fagging of setting, the short side of the rectangular-shaped top plate and the right-angled trapezium fagging respectively with the steel cylinder
Outer wall be welded to connect, another right angle waist edge and the rectangular-shaped top plate of the right-angled trapezium fagging are welded to connect, the rectangle
The top surface of top plate is flushed with the top surface of steel cylinder.
3. a kind of packaged type bridges substructure as claimed in claim 2, it is characterised in that also including rubber cushion blocks, the rubber
Rubber cushion block is arranged between the rectangular-shaped top plate and the prefabricated cushion cap.
4. a kind of packaged type bridges substructure as claimed in claim 1, it is characterised in that if being provided with the prefabricated cushion cap
The injected hole of dry up/down perforation, the cast-in-place grouting concrete layer in gap between the prefabricated cushion cap and the plain concrete bed course.
5. a kind of packaged type bridges substructure as claimed in claim 1, it is characterised in that the hole wall of the slotted eye is teeth groove
Shape.
6. a kind of packaged type bridges substructure as claimed in claim 1, it is characterised in that the hole wall of the slotted eye is ripple
Shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720103950.6U CN206503079U (en) | 2017-01-25 | 2017-01-25 | A kind of packaged type bridges substructure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720103950.6U CN206503079U (en) | 2017-01-25 | 2017-01-25 | A kind of packaged type bridges substructure |
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| Publication Number | Publication Date |
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| CN206503079U true CN206503079U (en) | 2017-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720103950.6U Active CN206503079U (en) | 2017-01-25 | 2017-01-25 | A kind of packaged type bridges substructure |
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| Country | Link |
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| CN (1) | CN206503079U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107964975A (en) * | 2017-10-27 | 2018-04-27 | 广东省交通规划设计研究院股份有限公司 | The PBL shear connectors connection structure and its construction method of steel pipe composite pile and cushion cap |
| CN110331787A (en) * | 2019-07-09 | 2019-10-15 | 中铁十九局集团第二工程有限公司 | The construction method that part concrete is connect with beam body concrete is poured after a kind of enhancing beam body sealing end |
-
2017
- 2017-01-25 CN CN201720103950.6U patent/CN206503079U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107964975A (en) * | 2017-10-27 | 2018-04-27 | 广东省交通规划设计研究院股份有限公司 | The PBL shear connectors connection structure and its construction method of steel pipe composite pile and cushion cap |
| CN110331787A (en) * | 2019-07-09 | 2019-10-15 | 中铁十九局集团第二工程有限公司 | The construction method that part concrete is connect with beam body concrete is poured after a kind of enhancing beam body sealing end |
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